Panasonic KX-TD500 System Reference Manual page 159

8.00 Various Adjustments
1) Display brightness adjustment
Brightness adjustment knob
• The brightness adjustment knob is used to adjust the brightness of the display.
Turn the knob to the right for increasing brightness until the proper brightness is
established.
2) Volume adjustment
• Volume control knob is used to adjust the volume level of the handset and head-
set. Adjust this volume for maximum ease in listening.
MIN MAX
VOLUME
3) Ringer volume adjustment
···
OFF HIGH
LOW
RINGER
• The ringer volume selector is used to adjust the ringer volume.
This selector can be switched among three stages: OFF, LOW and HIGH. Set for
the most appropriate volume.
2-E-11
2-E-11